678484820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{4933}}^1$

素因数の和:5001

約数の個数: 72

約数和(自身を含む): 1604359176

約数和(自身を除く): 925874356

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 529, 598, 1058, 1196, 1495, 2116, 2645, 2990, 4933, 5290, 5980, 6877, 9866, 10580, 13754, 19732, 24665, 27508, 34385, 49330, 64129, 68770, 98660, 113459, 128258, 137540, 226918, 256516, 320645, 453836, 567295, 641290, 1134590, 1282580, 1474967, 2269180, 2609557, 2949934, 5219114, 5899868, 7374835, 10438228, 13047785, 14749670, 26095570, 29499340, 33924241, 52191140, 67848482, 135696964, 169621205, 339242410, 678484820]

約数ペア:

[(1, 678484820), (2, 339242410), (4, 169621205), (5, 135696964), (10, 67848482), (13, 52191140), (20, 33924241), (23, 29499340), (26, 26095570), (46, 14749670), (52, 13047785), (65, 10438228), (92, 7374835), (115, 5899868), (130, 5219114), (230, 2949934), (260, 2609557), (299, 2269180), (460, 1474967), (529, 1282580), (598, 1134590), (1058, 641290), (1196, 567295), (1495, 453836), (2116, 320645), (2645, 256516), (2990, 226918), (4933, 137540), (5290, 128258), (5980, 113459), (6877, 98660), (9866, 68770), (10580, 64129), (13754, 49330), (19732, 34385), (24665, 27508)]